**deny icmp any any 13 (which = timestamp-request) **deny icmp any any 14 (which = timestamp-reply) Make sure you have the allow ip any any on your access list or you'll shut down whatever port you're applying it to. Now apply the access-list to any vlan that these requests a...
3. 在“入站规则”和“出站规则”中分别添加新的规则,以阻止ICMP类型13(Timestamp请求)和类型14(Timestamp响应)的数据包。 示例命令(使用netsh): bash netsh advfirewall firewall add rule name="Block ICMP Timestamp Requests" protocol=ICMPv4 dir=in icmptype=timestamp-request action=block netsh advfi...
attacker to know the date that is set on the targeted machine, which may assist an unauthenticated, remote attacker in defeating time-based authentication protocols. Solution: "Filter out the ICMP timestamp requests (13), and the outgoing ICMP timestamp replies (14)." Please help here! ...
Need to disable ICMP type 13 (timestamp requests) and 14 (timestamp replies) without usingfirewalld,iptables, ornftables. Environment Red Hat Enterprise Linux (RHEL) Subscriber exclusive content A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more. ...
13 - Timestamp Request 0 Timestamp Request 14 - Timestamp Reply 0 Timestamp Reply 15 - Information Request 0 Information Request 16 - Information Reply 0 Information Reply 17 - Address Mask Request 0 Address Mask Request 18 - Address Mask Reply 0 Address Mask Reply 19 Reserved for security ...
The Identifier and Sequence Number field are used to match timestamp requests with replies. Type 14 - Timestamp reply - this gives the round trip time to a particular destination. Type 15 - Information Request - this allows a host to learn the network part of an IP address on its subnet...
publicabstractlongTimestampRequestsSent {get; } 屬性值 Int64 Int64值,指定已傳送的「時間戳記要求」訊息總數。 範例 下列範例會顯示這個屬性的值。 C# publicstaticvoidShowTimestampData(){ IPGlobalProperties properties = IPGlobalProperties.GetIPGlobalProperties(); IcmpV4Statistics statistics = properties....
--下面是关于利用Non-ECHO ICMP查询信息的两个用法-- --Time Stamp (Request and Reply) 和 Address Mask (Request and Reply). --ICMP Time Stamp Request (Type 13) 和 Reply (Type 14) ICMP Time Stamp Request 和 Reply允许一个节点查询另一个节点 的当前时间,返回值是自午夜开始计算的豪秒数。
在下面的例子中,使用了发送ICMP Time Stamp Request,我使用了icmpush --http://hispahack.ccc.de/ .下面是对REDHAT 6.1,内核为2.2.12机器 的测试: [root@stan /root]# icmpush -tstamp 192.168.0.2 linux -> 13:48:07 //当然你那里测试可能会显示这个域名。 Snort的分析: ...
icmp数据包timestamp ---ICMP数据包简介icmp数据包是一种网络通信数据包。icmp是“Internet Control Message Protocol”(Internet控制消息协议)的缩写。它是TCP/IP的一个子协议,用于在IP主机、路由器之间传递控制消息。icmp控制包是指用于探查网络通不通、主机是否可达、路由是否可用等网络问题的消息---ICMP本质ICMP就...